import { existsSync } from "fs"
import path from "path"
import { z } from "zod"
import * as ERRORS from "@/src/utils/errors"
import { getConfig } from "@/src/utils/get-config"
import { getProjectInfo } from "@/src/utils/get-project-info"

export const addOptionsSchema = z.object({
	cwd: z.string(),
	items: z.array(z.string()).optional(),
	type: z.enum(["agents", "tools", "prompts"]).optional(),
	yes: z.boolean(),
	overwrite: z.boolean(),
	silent: z.boolean(),
})

export async function preFlightAdd(options: z.infer<typeof addOptionsSchema>) {
	const errors: Record<string, boolean> = {}
	const cwd = path.resolve(options.cwd)

	if (!existsSync(cwd)) {
		errors[ERRORS.MISSING_DIR_OR_EMPTY_PROJECT] = true
		return {
			errors,
			config: null,
		}
	}

	const config = await getConfig(cwd)
	if (!config) {
		errors[ERRORS.MISSING_CONFIG] = true
		return {
			errors,
			config: null,
		}
	}

	const projectInfo = await getProjectInfo(cwd)

	return {
		errors,
		config,
		projectInfo,
	}
}